85231960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 211468320

約数和(自身を除く): 126236360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 1997, 2134, 3880, 3994, 4268, 5335, 7988, 8536, 9985, 10670, 15976, 19970, 21340, 21967, 39940, 42680, 43934, 79880, 87868, 109835, 175736, 193709, 219670, 387418, 439340, 774836, 878680, 968545, 1549672, 1937090, 2130799, 3874180, 4261598, 7748360, 8523196, 10653995, 17046392, 21307990, 42615980, 85231960]

約数ペア:

[(1, 85231960), (2, 42615980), (4, 21307990), (5, 17046392), (8, 10653995), (10, 8523196), (11, 7748360), (20, 4261598), (22, 3874180), (40, 2130799), (44, 1937090), (55, 1549672), (88, 968545), (97, 878680), (110, 774836), (194, 439340), (220, 387418), (388, 219670), (440, 193709), (485, 175736), (776, 109835), (970, 87868), (1067, 79880), (1940, 43934), (1997, 42680), (2134, 39940), (3880, 21967), (3994, 21340), (4268, 19970), (5335, 15976), (7988, 10670), (8536, 9985)]